2821325 has 12 divisors (see below), whose sum is σ = 3767988. Its totient is φ = 2083200.

The previous prime is 2821319. The next prime is 2821331. The reversal of 2821325 is 5231282.

2821325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2821319) and next prime (2821331).

It can be written as a sum of positive squares in 6 ways, for example, as 72361 + 2748964 = 269^2 + 1658^2 .

It is not a de Polignac number, because 2821325 - 2¹² = 2817229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2821325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4016 + ... + 4665.

It is an arithmetic number, because the mean of its divisors is an integer number (313999).

2^2821325 is an apocalyptic number.

2821325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2821325 is a deficient number, since it is larger than the sum of its proper divisors (946663).

2821325 is a wasteful number, since it uses less digits than its factorization.

2821325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704 (or 8699 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2821325 is about 1679.6800290532. The cubic root of 2821325 is about 141.3028882792.

The spelling of 2821325 in words is "two million, eight hundred twenty-one thousand, three hundred twenty-five".